[petsc-dev] The errors when running petsc/src/snes/examples/tutorials/ex19.c in PETSc

[Lulu Liu]

mpirun -n 2  ./ex19 -da_refine 2 -da_overlap 2 -snes_monitor_short
-snes_type aspin  -grashof 4e4 -lidvelocity 100   -snes_view

 0 SNES Function norm 5381.22
  1 SNES Function norm 3104.04
  2 SNES Function norm 777.712
  3 SNES Function norm 45.9649
  4 SNES Function norm 0.195115
  5 SNES Function norm 6.28208e-06
SNES Object: 2 MPI processes
  type: newtonls
  maximum iterations=50, maximum function evaluations=10000
  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
  total number of linear solver iterations=47
  total number of function evaluations=0
  SNESLineSearch Object:   2 MPI processes
    type: bt
      interpolation: cubic
      alpha=1.000000e-04
    maxstep=1.000000e+08, minlambda=1.000000e-12
    tolerances: relative=1.000000e-08, absolute=1.000000e-15,
lambda=1.000000e-08
    maximum iterations=40
  SNES Object:  (npc_)   2 MPI processes
    type: nasm
      Nonlinear Additive Schwarz: total subdomain blocks = 2
      Nonlinear Additive Schwarz: restriction/interpolation type - BASIC
      Nonlinear Additive Schwarz: subSNES iterations: 114022506 subKSP
iterations: 564006000
      [0] number of local blocks = 1
      [1] number of local blocks = 1
      Local SNES objects:
      SNES Object:      (npc_sub_)       1 MPI processes
        type: newtonls
        maximum iterations=50, maximum function evaluations=10000
        tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
        total number of linear solver iterations=1
        total number of function evaluations=3
        SNESLineSearch Object:        (npc_sub_)         1 MPI processes
          type: bt
            interpolation: cubic
            alpha=1.000000e-04
          maxstep=1.000000e+08, minlambda=1.000000e-12
          tolerances: relative=1.000000e-08, absolute=1.000000e-15,
lambda=1.000000e-08
          maximum iterations=40
        KSP Object:        (npc_sub_)         1 MPI processes
          type: preonly
          maximum iterations=10000, initial guess is zero
          tolerances:  relative=1e-05, absolute=1e-50, divergence=10000
          left preconditioning
          using NONE norm type for convergence test
        PC Object:        (npc_sub_)         1 MPI processes
          type: lu
            LU: out-of-place factorization
            tolerance for zero pivot 2.22045e-14
            matrix ordering: nd
            factor fill ratio given 5, needed 2.95194
              Factored matrix follows:
                Matrix Object:                 1 MPI processes
                  type: seqaij
                  rows=468, cols=468, bs=4
                  package used to perform factorization: petsc
                  total: nonzeros=25552, allocated nonzeros=25552
                  total number of mallocs used during MatSetValues calls =0
                    using I-node routines: found 117 nodes, limit used is 5
          linear system matrix = precond matrix:
          Matrix Object:           1 MPI processes
            type: seqaij
            rows=468, cols=468, bs=4
            total: nonzeros=8656, allocated nonzeros=8656
            total number of mallocs used during MatSetValues calls =0
              using I-node routines: found 117 nodes, limit used is 5
[1]PETSC ERROR: PetscCommDuplicate() line 183 in
/Users/liul/soft/petsc/src/sys/objects/tagm.c
[1]PETSC ERROR: PetscSynchronizedFlush() line 450 in
/Users/liul/soft/petsc/src/sys/fileio/mprint.c
[1]PETSC ERROR: PetscViewerFlush_ASCII() line 135 in
/Users/liul/soft/petsc/src/sys/classes/viewer/impls/ascii/filev.c
[1]PETSC ERROR: PetscViewerFlush() line 30 in
/Users/liul/soft/petsc/src/sys/classes/viewer/interface/flush.c
[1]PETSC ERROR: SNESView_NASM() line 240 in
/Users/liul/soft/petsc/src/snes/impls/nasm/nasm.c
[1]PETSC ERROR: SNESView() line 251 in
/Users/liul/soft/petsc/src/snes/interface/snes.c
[1]PETSC ERROR: SNESView() line 336 in
/Users/liul/soft/petsc/src/snes/interface/snes.c
[1]PETSC ERROR: SNESSolve() line 3804 in
/Users/liul/soft/petsc/src/snes/interface/snes.c
[1]PETSC ERROR: main() line 157 in src/snes/examples/tutorials/ex19.c
application called MPI_Abort(MPI_COMM_WORLD, 872626446) - process 1
[cli_1]: aborting job:
application called MPI_Abort(MPI_COMM_WORLD, 872626446) - process 1
-- 
Best wishes,
Lulu Liu
Applied Mathematics and Computational Science
King Abdullah University of Science and Technology
Tel：＋966－0544701599

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